

US patent 6,503,543 B1
Issued January 7, 2003
Tryptophan source from plants and uses therefore
Hudson et.al.
Abstract: Compositions are described comprising at least partially defatted meal from a plant source naturally containing tryptophan, preferably squash seeds, and a carbohydrate source provided in an amount capable of facilitating transport of the tryptophan across the blood brain barrier. Also described are dietary supplements, foods and beverages comprising the composition of the invention to induce sleep or provide tryptophan supplementation to individuals in need thereof.
US patent 6,656,473 B2
Issued December 2, 2003
Tryptophan source from plants and uses thereof
Hudson et.al.
Abstract: Compositions are described comprising at least partially defatted meal from a plant source containing protein-bound tryptophan, preferably squash seeds, and, optionally, a carbohydrate source provided in an amount capable of facilitating transport of in vivo generated tryptophan across the blood brain barrier. Also described are dietary supplements, foods and beverages comprising the composition of the invention to induce sleep or provide tryptophan supplementation to individuals in need thereof.
South African patent 2002/8768
Issued July 30, 2003
New Zealand patent 522318
Issued January 5, 2004
US patent 6,638,541 B1
Issued October 28, 2003
Sexual desire and performance enhancement with protein-bound tryptophan
Hudson et.al.
Abstract: A composition comprising, preferably, at least partially defatted meal from a plant source containing protein-bound tryptophan that, preferably, has a higher tryptophan source than said plant source and a physiologically-acceptable diluent or carrier therefor for enhancing sexual desire and performance in a mammal. The composition, preferably, includes a carbohydrate. The invention provides a method of enhancing sexual desire and performance in a mammal having a composition described above.
Other patents pending.